897cd717a5
work in progress and has never booted a real machine. Initial development and testing was done using SimOS (see http://simos.stanford.edu for details). On the SimOS simulator, this port successfully reaches single-user mode and has been tested with loads as high as one copy of /bin/ls :-). Obtained from: partly from NetBSD/alpha
75 lines
2.4 KiB
C
75 lines
2.4 KiB
C
/*-
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* Copyright (c) 1998 Doug Rabson
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id$
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*/
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/*
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* Copyright (C) 1998 by the Board of Trustees
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* of Leland Stanford Junior University.
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* Copyright (C) 1998 Digital Equipment Corporation
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*
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* This file is part of the SimOS distribution.
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* See LICENSE file for terms of the license.
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*
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*/
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#ifndef _SIMOS_SCSI_H
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#define _SIMOS_SCSI_H
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#define SIMOS_SCSI_ADDR 0xfffffcc500000000
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#define SIMOS_SCSI_ADDR_32 0xffffffffa5000000
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#define SIMOS_SCSI_MAXDMA_LEN 128
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#define SIMOS_SCSI_MAXTARG 16
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#define SIMOS_SCSI_MAXLUN 16
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#define SIMOS_SCSI_REGS ((struct SimOS_SCSI *)SIMOS_SCSI_ADDR)
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#define SIMOS_SCSI_REGS_32 ((struct SimOS_SCSI *)SIMOS_SCSI_ADDR_32)
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typedef unsigned long SCSIReg;
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typedef struct SimOS_SCSI {
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SCSIReg startIO; /* write-only */
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SCSIReg done[SIMOS_SCSI_MAXTARG]; /* read-write (write=ack) */
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SCSIReg target; /* data fields */
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SCSIReg lun;
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SCSIReg cmd[12];
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SCSIReg length;
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SCSIReg sgLen;
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struct {
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SCSIReg pAddr;
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SCSIReg len;
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} sgMap[SIMOS_SCSI_MAXDMA_LEN];
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} SimOS_SCSI;
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#endif
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